ATLANTA — Much of central Georgia was under a tornado watch as a line of powerful storms swept through the state, toppling trees and flooding streets.

In metro Atlanta, fire crews freed a 14-year-old girl from a mobile home Saturday morning after a tree crashed into a back bedroom, piercing the roof and smashing into the floor of the home in southern Cherokee County.

The girl was talking to paramedics as crews used an air bag to slowly lift the tree off of her, authorities said. She was taken to a hospital in serious condition, they said.

"It was a delicate situation because the tree had gone through the roof, actually had gone through the flooring of the mobile home and the 14-year-old was trapped between the tree and the flooring that had already been knocked away," Cherokee County Fire Department spokesman Tim Cavender told reporters. "A limb on the tree actually went through the floor which made the floor unstable.

"She was conscious and alert, talking to some of the paramedics so we hope she's going to be doing OK," Cavender said.

A 2-year-old child in the same mobile home was treated for abrasions and seemed to be doing fine, he said.

Statewide, Georgia Power reported that more than 10,000 customers were without power Saturday morning.

More than 2,000 of the outages were in Rabun County in far northeast Georgia, with most of the rest scattered throughout north Georgia.

The storms prompted at least one tornado warning north of Atlanta, though there were no immediate reports of any confirmed twisters from the storms.

A tornado watch remained in effect until Saturday afternoon for several Georgia counties including Americus, Athens, Columbus, LaGrange, Macon and areas just south and southeast of Atlanta.

Flash flood warnings were also issued for DeKalb County and central Fulton County — including Atlanta — where forecasters warned that heavy rains would cause flooding of small creeks and streams, as well as streets and underpasses.